No problem, we've got 78305802 and 52400211 to multiply
78305802 × 52400211 = 52400211 × (78305802)
+ 52400211 × 2 resulting in 104800422
+ 52400211 × 00 what gives us 0
+ 52400211 × 800 which equals 41920168800
+ 52400211 × 5000 yielding 262001055000
+ 52400211 × 00000 yielding 0
+ 52400211 × 300000 resulting in 15720063300000
+ 52400211 × 8000000 yielding 419201688000000
+ 52400211 × 70000000 which equals 3668014770000000

= 4103240547324222
